Answer:
72°
Step-by-step explanation:
180-3x=2x
5x=180
x=36
Angle CBE = 2(36) = 72
Answer:
21 is 84% to 25, so there would be 25 total questions on the test
Answer:
$66
Step-by-step explanation:
$60 *0.1 is 6. $60+6 is 66. That is the price of the whole thing
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Square both sides:


Since

is positive, you can discard the negative sign. So,

Substitute this value back into

to find


I hope this helps. =)
Tags: <em>trigonometric identity relation trig sine cosine tangent sin cos tan trigonometry precalculus</em>